How did a military research project evolve into the most powerful tool for global connection? The internet has reshaped the way we communicate, work, and live, but its origins date back to the Cold War, when ARPANET was created to ensure secure military communication. As technology advanced, the internet expanded from government and academic use to the rise of the World Wide Web, social media, and e-commerce. Companies like Google, Amazon, and Facebook revolutionized online interactions, while cyber threats and data privacy concerns emerged as major challenges. Today, the internet powers artificial intelligence, blockchain, and the Internet of Things (IoT), making it an integral part of modern life. This book explores the technological breakthroughs, key figures, and societal impacts of the internet. If you want to understand how the internet came to dominate the world and where it’s headed next, this book is for you.